Question
There are 6 members (L, M, N, O, P and Q) in a family,
which consists of three generations. No single person in the family is a parent. N is granddaughter of L. Q is brother-in-law of M. P is mother of O. O is father of N, then how is Q related to P?Solution
Average marks scored by Vineet in five subjects are 85. The average marks scored by him (excluding his highest and lowest marks) are 70 and lowest marks...
The average of 27 numbers is 20.The average of first 13 numbers is 15 and that of the last 13 numbers is 18. What will be the 27th number?
Determine the value of a − b given that a + 3b = 18a and 3a + b = 30 .
- The average of two consecutive even numbers is 75. If the smaller number is increased by 12% and the larger number is decreased by 12%, then find the diffe...
A set contains ten numbers. The average of the first six numbers is (x − 2), and the average of the last three numbers is (x + 4). The average of the ...
The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest chi...
- The average height of a group of 30 players was recorded as 168 cm. Later it was discovered that 172 was wrongly written as 182 and 160 was written as 150....
A and B started a business investing Rs. 1500 for ‘x’ months and Rs. 1800 for 10 months, respectively. Out of total profit of Rs. 5000, profit shar...
The ages of 5 children are 6, 8, 10, 12 and 14 years. Find their average age.
- The average of series 'S4', which consists of 6 consecutive even numbers, is 21. The second term of series 'T4', which consists of 5 consecutive odd number...
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