Directions (1-5): What should come in place of the question mark (?) in the following questions?

Q1. 3.5% of 40+3.5% of 80=?% of 10
(a) 30
(b) 32
(c) 36
(d) 40
(e) 42

(a) 15
(b) 225
(c) 3375
(d) 3150
(e) None of these

(a) 2 13/45
(b) 3 17/45
(c) 4 16/45
(d) 2 23/45
(e) None of these

Q4. 12.50×14÷8.75+12=20+?
(a) 10
(b) 12
(c) 14
(d) 16
(e) 18

Q5. 735.75+621.65-257.40=550+?
(a) 510
(b) 520
(c) 530
(d) 540
(e) 550

Directions (6-10): What approximate value should come in place of the question mark (?) in the following questions?

Q6. ∛456500=?
(a) 72
(b) 75
(c) 77
(d) 79
(e) 81

Q7. 2/9×3/7×5/8×1780=?
(a) 103
(b) 106
(c) 109
(d) 112
(e) 115

Q8. 2.55% of 440+0.366% of 4880=?
(a) 23
(b) 25
(c) 27
(d) 29
(e) 31

Q9. (3537.988÷18.005)×1.999=?
(a) 389
(b) 393
(c) 397
(d) 401
(e) 407

(a) 8500
(b) 8510
(c) 8520
(d) 8530
(e) 8540

Q11. Three substances A, B and C are mixed together. Their volumes are proportional to 4, 3 and 2 respectively and the weights of equal volumes are proportional to 5, 4 and 3 respectively. What is the weight of substance A if the weight of the mixture is 114 kg?
(a) 30 kg
(b) 40 kg
(c) 50 kg
(d) 60 kg
(e) 70 kg

Q12. How many numbers lying between 3000 and 4000 and divisible by 5 can be made with the digits 3, 4, 5, 6, 7 and 8? (The digits are not to be repeated in any number).
(a) 10
(b) 12
(c) 14
(d) 16
(e) 18

Q13. The probability of A’s winning a game of chess against B is 1/3. What is the probability that A will win at least once in a total of 3 games?
(a) 19/23
(b) 19/25
(c) 19/27
(d) 19/29
(e) None of these

Q14. The CI on Rs. 1800 at the rate of 4% for 2 years 9 months is nearly
(a) Rs. 150
(b) Rs. 205
(c) Rs. 250
(d) Rs. 300
(e) None of these

Q15. In a given race the odds in favour of horses A, B, C are 1 : 3, 1 : 4 and 1 : 5 respectively. Assuming that dead heat is impossible the probability that one of them wins is
(a) 7/60
(b) 37/60
(c) 1/5
(d) 1/8
(e) None of these