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6 questions
In which of the following case two quantities can be in direct proportion?
If increase in one quantity causes proportional increase in other quantity
If decrease in one quantity causes proportional decrease in other quantity
Both I and II
Neither I nor II
Both a and b vary directly with each other. When a is 10, b is 4. What will be the value of b when a is 15?
6
1/6
34.5
2/75
If the area occupied by 8 postal stamps is 12 cm², then the area occupied by 150 such postal stamps will be _______.
100 cm²
150 cm²
225 cm²
Cannot be determined
A car travelling at a uniform speed covers a distance of 50 km in 30 minutes. How far will it travel in 3 hours?
25/3 km
5 km
300 km
500 km
If the price of 15 books is Rs. 270, then how many such books can be bought in Rs. 450?
20
22
18
25
If a principal amount of Rs 2,000 is deposited in a bank then the bank gives Rs 500 as simple interest in 3 years. What should be the principal amount to earn Rs 5600 as simple interest in 3 years with the same rate of simple interest?
Rs 56,000
Rs 22,400
Rs 16,800
Rs 28,000
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