CBSE Questions for Class 11 Commerce Applied Mathematics Numerical Applications Quiz 1 - MCQExams.com

If x men working x hours a day for x days can produce x articles, then the number of articles produced by y men working for y hours a day for y days is _____________________.
  • $$\displaystyle\frac{y^2}{x^3}$$
  • $$\displaystyle\frac{x^2}{y^3}$$
  • $$\displaystyle\frac{y^3}{x^2}$$
  • $$\displaystyle\frac{x^3}{y^2}$$
The greatest number that can be formed by the digits $$7,0,9,8,6,3$$
  • $$9,87,360$$
  • $$9,87,063$$
  • $$9,87,630$$
  • $$9,87,603$$
For a group of $$50$$ male workers , the mean and S.D. of their daily wages are Rs. $$630$$ and Rs. $$90$$ respectively. For a group of $$40$$ female workers, these are Rs.$$540$$ and Rs.$$60$$ respectively.The S.D. of these $$90$$ workers is _____________.
  • $$60$$
  • $$70$$
  • $$80$$
  • $$90$$
If 20 pumps of equal capacity can fill a tank in 7 days, then how many more such pumps will be required to fill the tank in 5 days? 
  • 28
  • 16
  • 8
  • 7
If $$\displaystyle\sum^m_{k=1}(k^2+1)k!=1999(2000!)$$, then m is?
  • $$1999$$
  • $$2000$$
  • $$2001$$
  • $$2002$$
Ramu scored $$2$$ times more than the rahim scored. In an examination and shashi scored $$30$$ marks more than ram in total they scored $$240$$ marks. What was rahim score?
  • $$42$$
  • $$20$$
  • $$30$$
  • $$35$$
At $$8:00\ a.m$$., Uday started from city $$A$$ and travelled towards city $$B$$ at $$50\ kmph$$ and at $$9:30\ a.m$$ Vikram started from city $$A$$ and travelled to city $$B$$ at $$60\ kmph$$. At what would Vikram overtake Uday?
  • $$3:30\ p.m.$$
  • $$4:00\ p.m.$$
  • $$4:30\ p.m.$$
  • $$5:00\ p.m.$$
The number of 5 letter words formed  using letters of word "CALCULUS" is  
  • $$280$$
  • $$15$$
  • $$1110$$
  • $$56$$
A person is standing on the top of a tower of height $$15(\sqrt{3} +1)$$ and observing a car coming towards the tower . He observed that angle of depression changes from $$30^0$$ to $$45^0$$ in $$3$$ second. What is the speed of the car in km/hr? 
  • $$36$$ km/hr.
  • $$72$$ km/hr.
  • $$18$$ km/hr.
  • $$30$$ km/hr.
If $$n\ \in\ N$$ & $$n$$ is even, then $$\dfrac {1}{1\ .\ (n-1)\ !}+\dfrac {1}{3\ !(n-3)\ !}+\dfrac {1}{5\ !\  (n-5)\ !}+....+\dfrac {1}{(n-1)\ !\ 1\ !}=$$ 
  • $$2^{n}$$
  • $$\dfrac {2^{n-1}}{n\ !}$$
  • $$2^{n}n\ !$$
  • $$none\ of\ these$$
The number of words which can be made out of the letters of the word $$'MOBILE'$$ when consonants always occupy odd places is _______.
  • $$20$$
  • $$36$$
  • $$30$$
  • $$720$$
Mean of $$41, 39, 48, 52, 46, 62, 54, 40, 96, 52, 98, 49, 42, 52, 60 \ is\ 54.8$$
  • True
  • False
  • Neither
  • None
If the day before yesterday was Thursday, when will Sunday be?
  • Tomorrow
  • Day after tomorrow
  • Today
  • Two days after today
Seven people are seated in a circle. How many relative arrangements are possible?
  • $$7!$$
  • $$6!$$
  • $$^7P_6$$
  • $$^7C_6$$
A work can be completed by $$40$$ workers in $$40$$ days. If $$5$$ workers leave every $$10$$ days, in how many days work will be completed?
  • $$55.66$$
  • $$56.44$$
  • $$56.66$$
  • $$54.66$$
On what day of the week India will celebrate its Republic Day on 26th January, 2015 ?
  • Sunday
  • Monday
  • Tuesday
  • Wednesday
Monday, Tuesday etc. are numbered as 1,2 and so on. If 8th December 1994 was Monday, what would be the number of the day 8th January 1995 ? 
  • $$4$$
  • $$5$$
  • $$6$$
  • $$7$$
$$A$$ can do a piece of work in $$24$$ days. If $$B$$ is $$60\%$$ more efficient than $$A$$, then the number of days required by $$B$$ to do the twice as large as the $$A's$$ work is -
  • $$24$$
  • $$36$$
  • $$15$$
  • $$30$$
If $$20$$ people can build a wall in  $$7$$ days, then the number of persons required to complete the work in $$35$$ days is:
  • $$4$$
  • $$8$$
  • $$12$$
  • $$20$$
Choose the correct option for the following.
$$n!=n(n-1)(n-2).....3.2.1$$
  • True
  • False
  • Ambiguous
  • Data insufficient
Factorial of negative numbers is always greater than 1.
  • True
  • False
  • Either
  • Neither
The base of the right pyramid is a square of side 16 cm and height 15 cm. Its volume $$(cm^{3})$$ will be
  • $$3840$$
  • $$1920$$
  • $$1280$$
  • $$960$$
If the fifth day of month is Friday, which of the following will be the seventh day from 10$$^{th}$$ of that month?
  • Wednesday
  • Thursday
  • Friday
  • Saturday
At what angle are the hands of clock inclined at 30 minutes past 6?
  • $$7 \frac{1^{\circ}}{2}$$
  • $$11 \frac{1^{\circ}}{2}$$
  • $$15^{\circ}$$
  • $$23^{\circ}$$
If 21$$^{st}$$ November falls five days before Wednesday, then what will be the day on 25$$^{th}$$ December?
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
Value of 0! is always 1.
  • True
  • False
  • Either
  • Neither
A train $$140$$ m long passes a telegraph post in $$14$$ sec. Find its speed in km/hr .
  • $$36$$ km/hr
  • $$56$$ km/hr
  • $$44$$ km/hr
  • $$51$$ km/hr
If 09/12/2001 happens to be Sunday,then 09/12/1971 would have been at
  • Wednesday
  • Tuesday
  • Saturdays
  • Thursday
The least count of a stop watch is generally :
  • 1 s
  • 1 min
  • 0.5 s
  • 1 h
Find the mean of:
$$5, 15, 20, 8$$ and $$12$$.
  • $$12$$
  • $$11$$
  • $$10$$
  • $$9$$
Find the mean of $$43, 51, 50, 57$$ and $$54$$
  • $$50$$
  • $$42.5$$
  • $$55$$
  • $$57$$
Find the mean of $$43, 51, 50, 57$$ and $$54$$.
  • $$51$$
  • $$57$$
  • $$40$$
  • $$43$$
Find the mean of the following data: $$18, 33, 30, 21$$ and $$13$$.
  • $$18$$
  • $$23$$
  • $$25$$
  • $$15$$
$$12$$ men can complete a piece of work in $$16$$ days. How many days will $$4$$ men take to complete the task?
  • $$60$$ days
  • $$45$$ days
  • $$54$$ days
  • $$48$$ days
Find the mean of the observations $$8, 12, 16, 22, 10$$ and $$4$$.
  • $$13$$
  • $$15$$
  • $$14$$
  • $$12$$
The mean of first six natural numbers is 
  • $$5$$
  • $$3.5$$
  • $$4$$
  • None of these
$$X$$ is twice as good as a workman as $$Y$$. $$X$$ finished a piece of work in 3 hours less than $$Y$$. In how many hours could they have finished that piece of work together?
  • 3
  • 2
  • 4
  • 5
Sachin scored $$80 $$ and $$120$$  runs respectively in the two innings of a cricket match. What would have been his average score in each innings?
  • $$80$$
  • $$120$$
  • $$200$$
  • $$100$$
The average of $$33.5, 30.4, 25.6, 31.5\  and \ 29$$ is:
  • $$28.5$$
  • $$30$$
  • $$29.7$$
  • $$30.4$$
A car moves with a speed of $$80$$ km/hr. What is the speed of the car in meters per second?
  • $$\displaystyle 22 \frac{2}{9}$$ m/sec
  • $$8$$ m/sec
  • $$\displaystyle 20 \frac{1}{9}$$ m/sec
  • $$\displaystyle 8 \frac{2}{3}$$ m/sec
The runs scored by Sachin in $$5$$ test matches are $$140$$, $$153$$, $$148$$, $$150$$ and $$154$$ respectively. Find his mean
  • $$150$$
  • $$149$$
  • $$148$$
  • $$147$$
In a cricket test match the scores of ten players are: $$85$$, $$32$$, $$0$$, $$54$$, $$29$$, $$101$$, $$73$$, $$64$$, $$29$$ and $$36$$. Find the mean of the runs.
  • $$36.4$$ runs
  • $$45.5$$ runs
  • $$50.3$$ runs
  • $$63.7$$ runs
The average of $$0.3, 0.03$$ and $$0.003$$ is ____
  • $$0.3$$
  • $$0.1$$
  • $$0.111$$
  • none of these
The average of $$5, 0, 6,$$$$\displaystyle \frac{1}{4}$$ and $$\displaystyle 8\frac{3}{4}$$ is
  • $$1$$
  • $$2$$
  • $$3$$
  • $$4$$
Find the mean of first ten odd natural numbers.
  • $$7$$
  • $$10$$
  • $$13$$
  • $$18$$
Twenty four men can complete a work in sixteen days. Thirty two women can complete the same work in twenty four days. Sixteen men and sixteen women started worked for 12 days. How many more men are to be added to complete the remaining work in 2 days ?
  • 16
  • 24
  • 36
  • 48
A contractor undertook to do a certain piece of work in $$9$$ days. He employed certain number of men, but $$6$$ of them being absent from the very first day, the rest could finish the work in $$15$$ days. The number of men originally employed were
  • $$12$$
  • $$15$$
  • $$18$$
  • $$24$$
The average of eight numbers is $$38.4$$ and the average of seven of them is $$39.2$$. What is the eighth number?
  • $$0.8$$
  • $$32.8$$
  • $$34.8$$
  • $$33.8$$
Two pipes $$A$$ and $$B$$ can separately fill a cistern in $$60\ minutes$$ and $$75\ minutes$$ respectively. There is a third pipe at the bottom of the cistern to empty it , If all the three pipes are simultancously opened, then the  cistern is full in $$50\ minutes$$, In how much time, the third pipe alone can empty the cistern ?
  • $$110\ minutes$$
  • $$100\ minutes$$
  • $$120\ minutes$$
  • $$90\ minutes$$
A fort had provision of food for $$150$$ men for $$45$$ days. After $$10$$ days, $$25$$ men left the fort, The number of days for which the remaining food will last, is
  • $$29\displaystyle \frac{1}{5}$$
  • $$37\displaystyle \frac{1}{4}$$
  • $$42$$
  • $$54$$
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 11 Commerce Applied Mathematics Quiz Questions and Answers