Make your Brain Sharp

1. Compute [6-3(4-5)-1]2

a. 81 b. 9 c. 64 d. 49

2. Which one is greatest

a. log (2+6) b. (log 6+log 2)

c. log 6 - log 2 d. log (6-2)

3. Suhana sold an article at a loss of 11/2%. Had she sold it for Rs. 200 more, she would have gained 61/2%. To Gain 20%, she would sell it for

(a) 2500 Rs. (b) 2580 Rs.

(c) 3000 Rs. (d) None of these

4. A sum of money is to be

distributed among P, Q, R, S in the proportion of 5:2:4:3. If Q gets Rs. 1000 less than R, what is Q’s share?

(a) Rs. 2000 (b) Rs. 1500

(c) Rs. 500 (d) Rs. 1800

5. Find out the number if the difference between 2/5 of 1/6 of a number and 4/5 of 3/4 of a same number is –648

(a) 1210 (b) 1215 (c) 1222 (d) 1250

6. 0.3 of a number is equal to 0.06 of another number. What is the ratio of the two numbers?

(a) 1:3 (b) 3:1

(c) 5:1 (d) 1:5

(e) None of these

7. The average of five positive numbers is 99. The averages of the first two and the last two numbers are 117 and 92 respectively. What is the third number?

(a) 46 (b) 54

(c) 56 (d) 77

(e) None of these

8. If 3/4 of a number is 60 more than half of it, what is 10% of that number?

(a) 10 (b) 12

(c) 24 (d) 13

(e) None of these

9. By what percent is four fifth of 80 is greater than five eighth of 96?

(a) 15.8 (b) 5.55

(c) 6.66 (d) 30

(e) None of these

10. After a price reduction of 6% how many kilograms of rice can be bought with the money that can earlier buy 47 kg?

(a) 52 (b) 51

(c) 49 (d) 50

(e) None of these

11. Find out of the largest angle of triangle if the ratio of largest & smallest angles of a triangle is 4:1 respectable and second largest angle of triangle is equal to 45.

(a) 90 (b) 105 (c) 108 (d) 95

12. Find out the days in which a man and a woman together can complete the piece of work, If 3 men alone and 4 woman alone can complete a piece of work in 5 days?

(a) 60/7 (b) 7 days (c) cannot be determine (d) None

13. Find out the area of circular field if building a fence around a circular field cost Rs.7260 @ Rs.15 per foot?

(a) 18618 sq.ft. (b) 18622 sq.ft. (c) 18634 sq.ft. (d) 18630 sq.ft.

Answer

1.a 2.b 3.c 4.a 5.b 6.d 7.d 8.c 9.c 10.d 11.c 12.a 13.c