QUANT QUIZ- 50 FOR IBPS- PO &
CLERK
1. The average age of 8 students and their teacher is 20 y. The
average age of the first four students is 18 yr and that of the last five is 11
yr. The teacher’s age is
(a) 36 yr
(b) 34 yr
(c) 53 yr
(d) 58 yr
(e) 64 yr
2. A seller sells two chairs at Rs. 3000 each. He earned a profit of
20% on one chair and suffered a loss of 20% on other. Net profit or loss is?
(a)4% loss
(b)4% profit
(c)Neither profit nor loss
(d)1% loss
(e)1% profit
(a) 10%
(b) 6.25%
(c) 6.5%
(d) 33.33%
(e) 12%
4. Rajesh loses 40% by selling a radio for Rs. 900. What per cent
will he gain by selling it for Rs. 1700?
(a) 13.33%
(b) 8.25%
(c) 10.25%
(d) 4.25%
(e) None of these
(a) Rs. 1200
(b) Rs. 1400
(c) Rs. 2000
(d) Rs. 5000
(e) Rs. 3000
6. A sum was invested for 4 yr at a certain rate of simple interest.
If it had been invested at 2% more annual rate of interest, then Rs. 64 more
would have been obtained. What is the sum?
(a) Rs.600
(b) Rs.700
(c) Rs.800
(d) Rs.900
(e) Rs.1000
7. 123 140 106
157 89 ?
(1) 139
(2) 214
(3) 174
(4) 169
(5) 198
8. 190 94 46
22 ? 4
(1) 10
(2) 15
(3) 19
(4) 16
(5) 8
9. 320 310 290
250 170 ?
(1) 110
(2) 10
(3) 114
(4) 142
(5) 98
10. 3 4 9 28 113 ?
(1) 384
(2) 566
(3) 782
(4) 424
(5) 646
EXPLANATIONS
AND SOLUTIONS:
1.C
sum
of students +teacher = 9*20 =180
Sum
of first four = 4*18=72
Sum
of last five = 5*11= 55
Age
of last = 180- 127 = 53
2.A by
net effect
Loss
= 4%
3.D
4.A
5.D
6.c
7.C The series
is +17, -34, +51, -68, +85…………
i.e next number=89+85=174
8.A The series is ÷2-1,÷2-1, …………..
(22/2)-1=10
(22/2)-1=10
9.B Difference between the number are -10, -20, -40,
-80, -160
10.B 3×1+1=4,4×2+1=9,9×3+1=28,28×4+1=113,113×5+1=56
10.B 3×1+1=4,4×2+1=9,9×3+1=28,28×4+1=113,113×5+1=56
