Directions (Q. 1-5): What value should come in place of question mark (?) in the following number series?
Q1. 124 215 342 511 ? 999
1) 695 2) 625 3) 728 4) 806 5) 573
Q2. 516 256 126 61 28.5 ?
1) 12.25 2) 16.75 3) 14.25 4) 20.20 5) 18.7
Q3. 7 21 50 109 ? 467
1) 198 2) 228 3) 372 4) 402 5) 275
Q4. 18 82 118 134 138 ?
1) 132 2) 198 3) 125 4) 138 5) 92
Q5. 5 22 103 406 ? 2422
1) 1516 2) 1298 3) 1136 4) 1602 5) 1213
Q6. A mixture of milk and water contains 7% water. What quantity of pure milk should be added to 12 litres of mixture to reduce water to 4%?
1) 5 litres 2) 6 litres 3) 7 litres 4) 8 litres 5) 9 litres
Q7. Two candles of the same height are lighted at the same time. The first is consumed in 6 hours and the second in 4 hours. Assuming that each candle burns at a constant rate, in how many hours after being lighted, was the first candle was twice the height of the second?
1) 3.5 hrs 2) 2 hrs 3) 4 hrs 4) 3 hrs 5) 2.5 hrs
Q8. Three friends Anil, Ravi and Sumit jog around a circular park and complete round in 21, 18 and 24 minutes respectively. In how many hrs will all the three meet again at starting point?
1) 8 hrs 2) 8.4 hrs 3) 6.5 hrs 4) 7.5 hrs 5) 9 hrs
Q9. With the help of the digits 1, 2, 3 and 4 find the sum of all 4 – digits numbers provided that the digits are not repeated.
1) 66,660 2) 6500 3) 40375 4) 100013 5) None of these
Q10. A, B and C can do a piece of work in 20, 30 and 100 days respectively. If A worked alone on the first day, B worked alone on the second day, C worked alone on the third day, A worked alone on the fourth day, and so on, then in how many days the work got completed?
1) 29 days 2) 28 days 3) 31 1/2 days 4) Can’t be determined 5) None of these
