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Time to double = 8 years To become four times, it will double again = 8 × 2 = 16 years Correct Option: b
Find the simplified value of given expression
The diameter of the base of a cylindrical drum is 14 cm and its height is 15 cm. The drum is full of water and the water from the drum is transferred to...
Quantity I: Ratio of present ages of A and B is 6:7 respectively while the ratio of present ages of C and D is 8:9. Ratio of the age of B after two ye...
HCF and LCM of two numbers are 13 and 455. If one number lies between 60 and 70, then the other number lies between
A boat can travel 225 km downstream in 5 hours. If the speed of the boat in still water is 7 times the speed of the stream, how m...
A company produces two types of gadgets, Type X and Type Y. How many total gadgets does the company produce in a month?
Statements:
I: ...
In a class, 70% of the students are adults, and 40% of the adults are females. If the number of adult males in the class is 105, ...
The population of a town increased to 13,520 in 2022 at a rate of 4% per annum. Find the population of that town in 2020.
In an election with two candidates, A and B, 80% of registered voters cast ballots. B wins by a margin of 880 votes. If B had received 10% fewer votes, ...
Prove the identity: tan² θ + 1 = sec² θ