A sum of money doubles in 4 years at a certain rate of compound interest. In how many years will it become 8 times?
A train travels 360 km at a uniform speed. If the speed had been 5 km/h more, it would have taken 1 hour less. What is the speed of the train?
A sum of Rs. 1000 is divided among A, B, and C in the ratio 2:3:5. How much does C get?
The problem solving process of a scientist is different from that of a detective because
The only way in which the education system can be improved is by
According to the passage, complexity of language cannot be taught by parents or at school to children because
According to the passage, which of the following is unique to human beings?
According to the passage, the fundamental change in U.S. foreign policy directed towards Latin America
In the context of the passage, the term 'grizzled mandarins' means
If the area of a square is 64 cm², what is the length of its diagonal?
The area of a circle is $154$ cm². What is the circumference of the circle?
A shop sells two types of pens at Rs. 10 and Rs. 15 each. If 50 pens are sold for Rs. 650, how many pens of Rs. 10 were sold?