Question
Ravi scored 80 marks in English. He scored 66% marks in
Hindi and X marks in Maths. The maximum marks for each subject is 200. The overall percentage of marks obtained by Ravi in all three subjects together is 66%? Find the value of X.Solution
The maximum marks for each subject is 200 Ravi’s English mark = 80 Hindi Mark = 66% = (66/100) x 200 = 132 The overall percentage of all three subjects together => 66%= (66/100) x 600 = 396 Ravi’s mark, English + Hindi + X = 396 =>80 + 132 + X = 396 =>X = 396-212 =>X = 184
What will come in place of (?) question mark in the given number series.
16, 24, 51, 115, 240, ?
Find the missing number in the given number series.
512, 128, 32, 8, ?, 171, 79, 88, 152, ?, 393
15, 31, 67, 131, ?, 375
1, 26, 75, 156, 277, ?
7 29 61 ? 211 349
...18   29   16   31   ?   33
72, 82, 62, 102, 22, ?
?, 15, 45, 225, 1575, 14175
166    156    136   ?     66    16