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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:
  • 13× Volume of prism
  • 3 × Volume of prism
  • 12× Volume of prism
  • 2 × Volume of prism
General formula of volume of a prism is:
  • Area of base × height
  • Area of triangle × height
  • Area of square × height
  • Area of rectangle × 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 13.83Is 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?
  • 5L
  • 6.5L
  • 7.25L
  • 8L
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 (n+1)!=12×(n1)!thenn=
  • 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
  • 666!
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(n1,n1)
  • P(n,n1)
  • r!P(n,nr)
  • (nr)P(n,r)
What was the day of the week on, 16th 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?
  • 71725 km/hour
  • 2518 km/hour
  • 2521 km/hour
  • 71825 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 a1,a2,a3,....,an is A then A=a1+a2+....+ann
  • True
  • False
Say true or false.
The A.M. between (ab)2 and (a+b)2  is a2+b2.
  • True
  • False
Given:   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 3cm3 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?

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  • 33311 min. past 5
  • 28311 min. past 5
  • 30 min. past 5
  • 27311 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 ?
  • x2y3
  • x3y2
  • y2x3
  • y3x2
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 14th day after 5th March is a Wednesday, then what day of the week will fall on 10th 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
  • 49111 minutes past 9
  • 48211 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
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Practice Class 11 Commerce Applied Mathematics Quiz Questions and Answers