Directions (1-5): What should come in place of question mark (?) in the following questions?
Q1. ?² = 512 ÷ 81 ÷ 72 × 2916
(a) 9
(b) 12
(c) 16
(d) 18
(e) 20
Q4. ? × 65 ÷ 72 = 195 × 352 ÷ 192
(a) 369
(b) 396
(c) 594
(d) 297
(e) 376
Directions (6-10): What approximate value will come at the place of question mark (?).
(Note: – You are not expected to calculate exact value)
Q6. (13.012)² + (21.025)² – 29.89 × 7.025 = ? – 520 +150
(a) 770
(b) 925
(c) 820
(d) 850
(e) 720
Q7. 18.05% of 1900.128 + ?% of 1149.89 = 684.025 – 111.89
(a) 35
(b) 25
(c) 20
(d) 40
(e) 30
Q9. (?)² – 431.98 = 1239.81 + 482.21 – 1313.01
(a) 29
(b) 33
(c) 39
(d) 19
(e) 23
Q10. 30.025 × √(?)+√961.01=11.01% of 1300-22.21
(a) 25
(b) 9
(c) 16
(d) 36
(e) 64
Solutions