Question Paper from: IBPS Clerk Prelims 2016

The total of the ages of a class of 60 girls is 900 years. The average age of 20 girls is 12 years and that of the other 20 girls is 16 years. What is the average age of the remaining girls?

15 years

None of these

14 years

17 years

16 years

Solution:

Chapter Name: Problems on Ages

(20)12 + 20(16) + 20x = 900

20x = 900 − 240 − 320

20x = 340

x = 17 years

This has been asked in Question Paper

IBPS Clerk Prelims 2016

Attempt

More Questions From Paper

Chapters. Problems on Ages

The ratio of A’s age 3 years ago and B’s age 5 years ago is 4:5. If A is 4 years younger than B then what is the present age of B?

Chapters. Time and Work

A is 2.5 times as good workman as B and A is able to finish the work in 50 days less than B. Find the time in which they can do it working together.

Chapters. Pipes and cisterns

Two pipes A and B can fill a tank in 16 hrs and 12 hrs respectively. The capacity of the tank is 240 litres. Both the pipes are opened simultaneously and closed after 2 hrs. How much more water (In Liters) needed to fill the tank?

Chapters. Number System

5% of one number (X) is 25% more than another number (Y). If the difference between the numbers is 96 then find the value of X?

Chapters. Profit and Loss

Mr. Ankit invests 14% of his monthly income every month i.e. Rs.1,750 in shares, 8% in Insurance policies and 7% in fixed deposits. What is the total annual amount invested by him?

Chapters. Boats and Stream

A person covers 32km downstream is 240 minutes and the same person cover 48 km upstream in 1440 minutes. Then find the rate of current?

Chapters. Alphanumeric

What should come in place of the questions mark (?) in the following series based on the above arrangement?

AZ2 DW3 GT5 JQ7?

Chapters. Coding Decoding

If it is possible to make only one meaningful word with the first, the third, the fifth and the eight Numbers of the word SHAREHOLDING, which of the following will be the second Number of the word? If no such word can be made, give 'X' as the answer and if more than one such word can be made, give 'Y' as the answer.

Chapters. Coding Decoding

If the letters in the word EQUALITY rearranged as they appear in the English alphabet then the position of how many letter will remain unchanged after the rearrangement?

Chapters. Coding Decoding

If in a code language, LAUNCH is written as NCWPEJ and MARGIN is written as OCTIKP, how will WONDER be written in that code?

Chapters. Coding Decoding

How many such pairs of Numbers are there in the 7693142, each of which has as many Numbers between them in the number, as they have in the numeric series?

Chapters. Percentage

The numerator of a fraction is decreased by 25% and the denominator is increased by 250%. If the resultant fraction is 6/5 , what is the original fraction?

Chapters. Percentage

A dishonest vendor professes to sell fruits at the cost price but he uses a weight of 800 grams in lieu of 1 kg weight. Find his percentage gain.

Chapters. Simple Interest

The simple interest on a certain sum at 15% per annum for 5 year is Rs1500 more to the simple interest on the same at 12% per annum for the same period. Find the sum-