Mathematics MCQs
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771.If 6 clerks can draft 24 letters in 3 hours, how many hours will it take 8 clerks to draft 32 letters?
772.The average marks of 5 students in an exam is 40. If one student who scored 60 marks is excluded, what is the new average?
773.If A:B = 3:4 and B:C = 8:9, what is the combined ratio A:B:C?
774.What is 15% of 15% of 32,000?
775.What is the square of 2.5 cm?
776.100 cats eat 100 mice in 100 days. 4 cats eat 4 mice in how many days?
777.If 20% of a is equal to 80% of b which of the following is equal to a + b?
778.A circle has radius 7 cm, its diameter is?
779.LCM of 8 and 12 is?
780.The value of 25² is?