Directions (1-5): What will come at the place of question mark in the following questions? (You are not expected to find exact value)
Q1. 449.98÷5.99+(2.99)^4-74.97=?
(a) 71
(b) 81
(c) 86
(d) 75
(e) 91
Q3. 69.98% of 259.98 – 29.98% of 529.98 =?
(a) 19
(b) 23
(c) 20
(d) 27
(e) 18
Directions (6 -10): What will come in place of (?) in the following number series?
Q6. 1643, 1594, 1513, 1392, 1223, ?
(a) 996
(b) 989
(c) 998
(d) 992
(e) 994
Q7. 2, 7, 22, 67, 202, ?
(a) 606
(b) 607
(c) 403
(d) 1213
(e) 604
Q8. 5, 6, 9.5, 15, 18.5, 33, 32, ?
(a) 51
(b) 68
(c) 58
(d) 60
(e) 63
Q9. 4, 18, 86, 424, ?, 10550
(a) 2211
(b) 2112
(c) 2121
(d) 2114
(e) 2210
Q10. 1331, 729, 343, 125, ?
(a) 27
(b) 64
(c) 8
(d) 216
(e) 1
Q11. In every 45 minutes a watch gains 6 minutes. After setting the correct time at 6 a.m., what time will the watch show after 8 hours?
(a)3 : 04 pm
(b)5:00 pm
(c)4 : 56 pm
(d)2 : 45 pm
(e)none of these
Q12. Out of the total number of students in a college 10% are interested in sports. 4/5 of the total number of students are interested in dancing. 6% of the total number of students are interested in singing and the remaining 250 students are not interested in any of the activities. What is the total number of students in the college?
(a)6150
(b)6200
(c)6250
(d)6300
(e)6350
Q13. There are two mixtures i.e. P and Q of spirit and water. The mixture P contains ratio of spirit to water as 5 : 8 and Q contains ratio of water to spirit as 4 : 5. 26 litres of mixture P and some quantity of Q is taken out and these two quantities are mixed together to form a new mixture. Ratio of spirit to water in this new mixture is 4 : 5. Find the quantity which was taken out from Q.
(a) 9 ℓ
(b) 16 ℓ
(c) 14 ℓ
(d) 12 ℓ
(e) 18 ℓ
Q14. The total time taken by a boatman to row his boat upstream and downstream distance of 56 km together is 12 hours. The difference between times taken by him to row his boat another upstream and downstream distance of 42 km is 3 hours. Find the speed of boat and stream.
(a) 12.5 kmph, 1.5 kmph
(b) 11.5 kmph, 2.5 kmph
(c) 9.5 kmph, 4.5 kmph
(d) 10.5 kmph, 3.5 kmph
(e) None of these
Q15. Two pipes X and Y can fill an empty tank in 16 and 24 hours respectively. Ravi opens these two pipes simultaneously. After 8/3 hours he comes back and sees that there was a leak in the tank. He stops the leakage and thus tank took 48/5 hours to be filled completely after closing the leak. In what time leakage will empty the filled tank?
(a) 6.9 hrs
(b) 9.6 hrs
(c) 8.4 hrs
(d) 8.4 hrs
(e) 9.4 hrs