Arithmetic & Mental Ability Sample Questions

PRACTISE SET 1

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#1. If 3 tables and 4 chairs together cost Rs. 2800 and 2 tables and 3 chairs together cost Rs. 1950, find the cost of each table and chair, respectively.

#2. The sum of the digits of a two-digit number is 12. If the digits are interchanged, the resulting number is 18 more than the original number, find the original number.

#3. Ten years from now, the age of Ekta’s father will be twice Ekta’s age. Ten years ago, the age of Ekta’s father was thrice Ekta’s age. Find the present age her father.

#4. Two books, four pens and five files cost Rs. 50. Three books, six pens and seven files cost Rs. 70. Find the cost of each file.

#5. The number of white balls and black balls in a bag are in the ratio 16: 7. If there are 45 more white balls than black balls, find the number of black balls in the bag.

#6. The number of tourists visiting a country increased by 80% from 1990 to 1991. From 1991 to 1992, there was a 50% increase. Find the percentage increase in the number of tourists visiting the country from 1990 to 1992.

#7. The price of a clock imported from Amsterdam was Rs. 1200. Due to devaluation of rupee, its value increased to Rs. 2100. What is the percentage increase in the price of the clock due to devaluation of rupee?

#8. Ajay scored 75 out of 150 marks in his mid-term exam and 105 out of 150 in his end-term exam. Find the percentage increase/decrease in his marks. _____

#9. Find the simple interest on a principal of Rs. 2400 at 5% p.a. for a period of 4 years.

#10. What principal would amount to Rs. 9600 in 6 years at the rate of 10% p.a. simple interest?

#11. If 15 men take 60 days to complete a job, in how many days can 10 men complete the same job?

#12. Insert the missing number 5, 8, 12, 17, 23, ____, 38

#13. Fill in the missing number 1799, 899, 449, ____

#14. What is 20% of 25% of 300?

#15. The population of a village is 25,000. One fifth are females and the rest are males. 5% of males and 40% of females are uneducated. What percentage on the whole are educated?

#16. Fill in the missing number 11, 10, ?, 100, 1001, 1000, 1001

#17. If the cost price of 20 books is the same as selling price of 25 books, then the loss percentage is

#18. A, B, D, G,___, P

#19. AM, BN, CO, DP,__, FR

#20. If people is coded as PLPOEE, how is TREND coded?

#21. In a certain code, TRIPPLE is written as SQHOOKD. How is DISPOSE written in that code?

#22. ______ : Poem :: Fable : Story

#23. Scientist : Experiment :: ______ : Play

#24. Daryl walked 25 m towards south. Then he turned to his left and walked 20 m. He then turned to his left and walked 25 m. He again turned to his right and walked 15 m. At what distance is he from the starting point and in which direction?

#25. If South – East becomes North, North-East becomes West and so on, what will West become?

#26. The weight of 72 books is 9 kg. What is the weight of 40 such books?

#27. Rohan deposited an amount in bank which gives 10% simple interest. If he gets Rs. 45000 after 5 years, find the amount deposited by him?

#28. Sunil introduces Amit as the son of the only brother of his father’s wife. How is Amit related to Sunil?

#29. Pointing to a photograph, a man said, I have no brother or sister but that man’s father is my father’s son.” Whose photograph was it?

#30. If today is Monday, what will be the day 350 days from now?

Finish

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