PUZZLES
31
1. In a Retail outlet the average revenue was Rs. 10,000 per day over a 30 day period. During this period the average daily revenue on weekends( total 8 days) was Rs. 20,000 per day. What was the average daily revenue on weekdays?( 1) 6364( 2) 5250( 3) 6570( 4) 8060
2. A swimming pool can be filled by pipe A in 3 hours and by pipe B in 6 hours, each pump working on its own. At 9 am, pump A is started. At what time will the swimming pool be filled if pump B is started at 10 am?( 1) 11:20 a. m.( 2) 11:05 a. m.( 3) 11:10 a. m.( 4) 10:50 a. m.
3. The sum of prime numbers that are greater than 60, but less than 70 is:( 1) 128( 2) 191( 3) 197( 4) 260
4. Find out the appropriate next number in the series from the options below: 0, 2, 6, 12, 20, 30, 42,_?( 1) 56( 2) 62( 3) 49( 4) 5
5. A bakery opened with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon, and 60 % of the remaining rolls were sold between noon and closing time. How many dozen rolls were left unsold?( 1) 6( 2) 8( 3) 10( 4) I2
6. Stuart, Jack and Leo are colleagues working in a plant. Stuart and Jack can do a work in 10 days, Jack and Leo can do the same work in 15 days while Stuart and Leo can do it in 12 days. All of them started the work together. After two days, Leo was shifted to some other work. How many days will Stuart and Jack take to finish the rest of the work?( 1) 9( 2) 12( 3) 8( 4) 7.5
7. The missing numbers in the below series would be 1:1, 8:4, 9:27, 64:16, 25:125,?:?, 49:343,( 1) 36: 316( 2) 216: 36( 3) 316: l6( 4) 32: 316
8. The difference between the value of a number increased by 25 % and the value of the original number decreased by 30 % is 22. What is the original number?( 1) 70( 2) 65( 3) 40( 4) 90
9. Running at the same constant rate, 6 identical machines can produce a total of 180 bottles per hour. How many bottles could 15 such machines produce in 30 minutes?( 1) 225( 2) 300( 3) 250( 4) 350
10. A number whose fifth part increased by 4 is equal to its fourth part diminished by 10, is:( 1) 240( 2) 260( 3) 270( 4) 280
WINSPIRE: Empowering youth | January, 2017