CBSE Questions for Class 11 Commerce Applied Mathematics Numerical Applications Quiz 4 - MCQExams.com

If base and height of a prism and pyramid are same, then the volume of a pyramid is:
  • $$\dfrac{1}{3}\times$$ Volume of prism
  • $${3}\ \times$$ Volume of prism
  • $$\dfrac{1}{2}\times$$ Volume of prism
  • $$2\ \times$$ Volume of prism
General formula of volume of a prism is:
  • Area of base $$\times$$ height
  • Area of triangle $$\times$$ height
  • Area of square $$\times$$ height
  • Area of rectangle $$\times$$ height
$$8$$ taps of the same size fill a tank in $$27$$ minutes. If two taps go out of order, how long would the remaining taps take to fill the tank?
  • $$86$$ minutes
  • $$56$$ minutes
  • $$66$$ minutes
  • $$36$$ minutes
 The mean of the following data $$12, 18, 15, 17, 11, 10$$ is $$13.83$$. Is it true or false?
  • True
  • False
$$3$$ letters are posted in $$5$$ letters boxes. If all the letters are not posted in the same box, then number of ways of posting is
  • $$120$$
  • $$125$$
  • $$130$$
  • $$124$$
A _____ is an arrangement of all or part of set of object in a definite order.
  • permutation
  • function
  • combination
  • factorial
$$85$$ L of a mixture contains milk and water in the ratio $$ 27: 7$$ How much more water is to be added to get a new mixture containing milk and water in the ratio $$ 3:1 $$?
  • 5$$\mathrm { L }$$
  • 6.5$$\mathrm { L }$$
  • 7.25$$\mathrm { L }$$
  • 8$$L$$
Kaushlaya can do a work in $$20$$ days, while Kaikeyi can do the same work in $$25$$ days. They started the work jointly. A few days later Sumitra joined them and thus all of them completed the whole work in $$10$$ days. All of them were paid a total $$Rs. 700$$. What is the share of Sumitra?
  • $$Rs. 130$$
  • $$Rs. 185$$
  • $$Rs. 70$$
  • Can't be determined
If $$\left( {n + 1} \right)! = 12 \times (n - 1)!\;then\;n = $$
  • 3
  • 4
  • 2
  • 5
Find the mean of $$16,29,60,18,27$$
  • 30
  • 40
  • 50
  • 10
The mean of $$6,8,10,12,14,16,18$$
  • $$12$$
  • $$10$$
  • $$9$$
  • $$8$$
The mean of $$33,53,32,35,47$$ is 
  • $$40$$
  • $$56$$
  • $$55$$
  • $$6^{6}-6!$$
Find the mean of $$22,16,19,12,26,32,87,58$$
  • 34
  • 32
  • 43
  • none of these
If P (n, n) denotes the number of permutations of n different things taken all at a time then P (n, n ) is also identical to:
  • $$

    P ( n - 1 , n - 1 )

    $$
  • $$

    P ( n , n - 1 )

    $$
  • $$

    \mathrm { r } ! \mathrm { P } ( \mathrm { n } , \mathrm { n } - \mathrm { r } )

    $$
  • $$

    ( n - r ) \cdot P ( n , r )

    $$
What was the day of the week on, $${16}^{th}$$ July, $$1776$$?
  • Monday
  • Tuesday
  • Saturday
  • Wednesday
The mean of $$25,37,84$$ is  
  • $$25$$
  • $$37$$
  • $$84$$
  • None.
A alone can do a piece in $$10$$ days and $$B$$ alone can so it in $$15$$ days. In how many days will $$A$$ and $$B$$ together do the same work?
  • $$5$$ days
  • $$6$$ days
  • $$8$$ days
  • $$9$$ days
The rates of working of $$A$$ and $$B$$ are in ratio $$3:4$$. The number of days taken by them to finish the work are in the ratio
  • $$3:4$$
  • $$9:16$$
  • $$4:3$$
  • $$16:9$$
In a $$800$$ m race, $$A$$ defeated $$B$$ by $$15$$ seconds. If $$A$$'s speed was $$8$$ km/hour. What was $$B$$'s speed?
  • $$\displaystyle 7\dfrac {17}{25} $$ km/hour
  • $$\displaystyle 2\frac {5}{18} $$ km/hour
  • $$\displaystyle 2\frac {5}{21} $$ km/hour
  • $$\displaystyle 7\frac {18}{25} $$ km/hour
$$A$$ can do a job in $$16$$ days and $$B$$ can do the same job in $$12$$ days With the help of $$C$$, they can finish the job in $$6$$ days only. Then, $$C$$ alone can finish it in
  • $$34$$ days
  • $$22$$ days
  • $$36$$ days
  • $$48$$ days
Mean can never be a fraction.
  • True
  • False
A and B can complete work together in 5 days. If A works at twice his speed and B at half of his speed this works can be finished in 4 days. How many days would it take for A alone to complete the job ?
  • $$10.0$$
  • $$12.0$$
  • $$15.0$$
  • $$18.0$$
State true or false.
A.M. of any $$n$$ positive numbers $$a_1, a_2, a_3, ...., a_n$$ is $$A$$ then $$A=\dfrac {a_1+a_2+....+a_n}{n}$$
  • True
  • False
Say true or false.
The A.M. between $$(a-b)^2$$ and $$(a+b)^2$$  is $$a^2+b^2 $$.
  • True
  • False
Given:   $$\dfrac {20!}{18!}=380$$
  • True
  • False
  • Either
  • Neither
$$20$$ persons are invited for a party, then the number of ways in which they and the host be seated at a round table is
  • 20!
  • 21!
  • 22!
  • 2.20!
The mean of five numbers is $$30$$. If one number is excluded, their mean becomes $$28$$. The excluded number is:
  • $$28$$
  • $$30$$
  • $$35$$
  • $$38$$
If $$5$$ workers can build a fence in  $$65$$ days, how long would it take $$13$$ workers to build the same fence?
  • $$15$$ days
  • $$20$$ days
  • $$25$$ days
  • $$35$$ days
Carpenter $$A$$ can make a chair in $$6$$ hours, carpenter $$B$$ in $$7$$ hours and carpenter $$C$$ in $$8$$ hours. If each carpenter works for $$8$$ hours per day, how many chairs will be made in $$21$$ day?
  • $$61$$
  • $$67$$
  • $$73$$
  • $$79$$
The mean of prime numbers between 20 and 30 is :
  • 21
  • 26
  • 25
  • 27
There are $$50$$ numbers. Each number is subtracted from $$53$$ and the mean of the numbers so obtained is found to be $$3.5$$. The mean of the given numbers is:
  • $$46.5$$
  • $$49.5$$
  • $$53.5$$
  • $$56.5$$
If the volume of a prism is $$1920$$ $$\sqrt{3} cm^3$$ and the side of the equilateral base is $$16$$ $$cm$$, then the height (in cm) of the prism is?
  • $$19$$
  • $$20$$
  • $$30$$
  • $$40$$
$$15$$ labourers can fill  $$35$$  boxes in  $$7$$  days. How many labourers can fill  $$65$$  boxes in $$5$$  days ?
  • $$13$$
  • $$39$$
  • $$45$$
  • $$55$$
Ten pipes of the same type can fill up a tank in $$16$$ minutes. If two pipes go out of order, how long will the remaining pipes take to fill the tank ?
  • $$18$$ mins
  • $$20$$ mins
  • $$22$$ mins
  • $$24$$ mins
At what time are the hands of a clock together between 5 and 6?

108898.png
  • $$33\displaystyle \frac{3}{11}$$ min. past $$5$$
  • $$28\displaystyle \frac{3}{11}$$ min. past $$5$$
  • $$30$$ min. past $$5$$
  • $$27\displaystyle \frac{3}{11}$$ min. past $$5$$
Kate was born on Saturday, 22nd MarchOn what day of the week was she 14 years 7 month and 8 days of age ?
  • Sunday
  • Tuesday
  • Wednesday
  • Monday
The attendance of a class of $$45$$ boys for $$10$$ days is given as $$40, 42, 30, 35, 45, 44, 41, 38, 44$$ and $$41$$, then the mean attendance of a class is
  • $$39$$
  • $$40$$
  • $$41$$
  • $$43$$
If a regular square pyramid has  a base of side 8 cm and height  of 30 cm, then its volume is
  • 120 c.c.
  • 240 c.c.
  • 640 c.c.
  • 900 c.c.
In U.P. on 17th October, 1996 President's rule was declared. Find the day of week on that date.
  • Tuesday
  • Friday
  • Wednesday
  • Thursday
$$3$$  persons weave  $$168$$  shawls in $$14$$ days, how many shawls will 8 people weave in $$5 $$ days?
  • $$90$$
  • $$105$$
  • $$115$$
  • $$160$$
if x men working x hours per day can do x units of a work in x days, then y men working y hours per day would be able to complete how many units of work in y days ?
  • $$\displaystyle \frac{x^{2}}{y^{3}}$$
  • $$\displaystyle \frac{x^{3}}{y^{2}}$$
  • $$\displaystyle \frac{y^{2}}{x^{3}}$$
  • $$\displaystyle \frac{y^{3}}{x^{2}}$$
Find the Arithmetic Mean of the numbers 7, 6, 5, 9, 8, 0, 7
  • 5
  • 6
  • 7
  • 14
If 1st October is a Sunday, then 1st November will be
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
How many times in a day, the two hands of a clock coincide?
  • $$11$$
  • $$12$$
  • $$22$$
  • $$24$$
Find the exact time between $$7$$ am and $$8$$ am when the two hands of a watch meet?
  • $$7$$ hrs $$35$$ min
  • $$7$$ hrs $$36.99$$ min
  • $$7$$ hrs $$38.18$$ min
  • $$7$$ hrs $$42.6$$ min
If the $${14}^{th}$$ day after $$5^{th}$$ March is a Wednesday, then what day of the week will fall on $${10}^{th}$$ December of the same year?
  • Friday
  • Wednesday
  • Thursday
  • Tuesday
At what time between 9 to 10 will the hands of a watch be together?
  • $$45$$ minutes past $$9$$
  • $$50$$ minutes past $$9$$
  • $$49\dfrac {1}{11}$$ minutes past 9
  • $$48\dfrac {2}{11}$$ minutes past 9
If the day before yesterday was Thursday, when will be Sunday?
  • Today
  • Two days after today
  • Tomorrow
  • Day after tomorrow
If the seventh day of a month is three days earlier than Friday, what day will it be on the nineteenth day of the month?
  • Sunday
  • Monday
  • Wednesday
  • Friday
If Thursday was the day after the day before yesterday five days ago, then what is the least number of days ago, when Sunday was three days before the day after tomorrow?
  • Two
  • Three
  • Four
  • Five
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 11 Commerce Applied Mathematics Quiz Questions and Answers