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LRV = Actual hours × (Standard rate – Actual rate) = 200 × (50 – 11,000/200) = 200 × (50 – 55) = –₹1,000 = ₹1,000 Adverse
Sum of the present ages of A, B, C and D is 70 years. After 5 years ratio of their ages is 5:4:4:2. What is C’s present age?
A boy’s age is 140% of what it was 5 years ago, but 65% of what it will be after 10 years. What is his present age?
12 years ago, A was 1/2 of B’s age. If the ratio of their present ages is 4:5, what will be the sum of their present ages?
A student multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation.
The perimeter of 3 squares is 18 cm, 27 cm and 36 cm respectively. What will be the area of the square having perimeter equal to sum of edges of 3 squar...
A is younger than B by 2 years. If the ratio of A and B ages is 8:9 respectively, then find the age of A.
The ages of A, B and C together are 40 years. B is thrice as old as A and C is 5 years older than A. What is the difference between ages of B and C?
The ratio of A and B present age is 9:4. The product of their ages is 3600. What will be the ratio of their ages after 5 years?
The ratio of present ages of Rohan to his father is 2:7, and the ratio of present ages of Rohan to his mother is 3:10. If Rohan's...
