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Frequently Asked exam Category Math Questions and Answer

(#M40038421) EXAM QUESTION Keep an EYE

Out of 800 families with 5 children each, how many would you expect to have 3 boys? (There are equal chances of occurrence for a boy and a girl.)

Asked In Exam Dipali Anil Patil (11 years ago)

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(#M40037750) EXAM QUESTION sequence Keep an EYE

7 8 16 43 107

Asked In Exam jayanta sarkar (11 years ago)

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(#M40038458) EXAM QUESTION lcm and hcf Keep an EYE

lcm of two no is 630 and their hcf is 9.if sum of no is 153 then ratio of two no is
options
a)70
b)9
c)0.7
d)10/7
e)c or d

Asked In Exam shiv pujan (11 years ago)

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(#M40157124) EXAM QUESTION Keep an EYE

A plane left half an hour later than the scheduled time and in order to reach its destination 1500 kilometers away in time, it had to increase its speed by 33.33 percent over its usual speed. Find its increased speed.

Asked In exam Sniper (9 years ago)

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(#M40164757) EXAM QUESTION probability caselet Keep an EYE

There is three bags A, B and C. In each bag there are three types of colored balls Yellow, Green and Black.

In bag A, no. of yellow colored balls are y and no. of green colored balls are g. Number of green colored balls are 4 more than the number of yellow colored balls. When one ball is picked at random then the probability of getting black color ball is 5/13. The value of y is 18 2/11% less then g.

In bag B, number of yellow colored balls is 200/9% more than that of bag A. If two balls are picked at random from bag B then the probability of getting both green color ball is 4/37. Total number of balls in bag B is 75.

In bag C, the ratio of number of green colored balls and number of black colored balls is 7 : 5. Total number of green and black colored balls is 36. If one ball is picked at random then the probability of getting one yellow ball is 7/13.

Q1. If x number of yellow balls from bag B are taken and placed into bag A and 20% of black balls from bag A are taken and placed into in bag B. If we pick one ball from bag B then the probability that the ball is of black color is 11/26. Then find the value of x?
(a) 5
(b) 6
(c) 3
(d) 2
(e) None of these

please give detailed solution

Asked In Exam Shatakshi (8 years ago)

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(#M40037288) EXAM QUESTION Riddle! Keep an EYE

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

Asked In Exam Priya Kumar (11 years ago)

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(#M40154478) EXAM QUESTION ratio and proportions Keep an EYE

A restaurant prepares 22 litres of a mixture that contains 25% of orange essence and the remaining quantity as water. If 3 litres of water is mixed in this mixture,what will be the percentage of orange essence in the new mixture?

Asked In Exam ketan (9 years ago)

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(#M40167038) EXAM QUESTION Keep an EYE

Insert the missing number

4 6 3 8
2 8 4 4
6 5 ? 10

Asked In exam mahika miglani (4 years ago)

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(#M40155426) EXAM QUESTION Missing Number Keep an EYE

71, 81, 74, 77, 77, 73, 80, 69, ?

Asked In Exam Sheeba (9 years ago)

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(#M40037431) EXAM QUESTION Percentage Keep an EYE

In a city, 35% of the population is composed of migrants, 20% of whom are from rural areas. Of the local population, 48% is female while this figure for rural and urban migrants is 30% and 40% respectively. If the total population of the city is 728400, what is its female population 7
(a)324138
(b) 349680
(c) 509940
(d) None

Asked In exam mac (11 years ago)

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