NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension: Questions 276 - 281 of 1042
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Question number: 276
Question number: 277
Ravi can build a wall in the same time in which Mahesh and Suresh together do it. If Ravi and Mahesh together could do it in 10 days and Suresh alone in 15 days. In what time Mahesh alone do it?
Question number: 278
Boyle suggested some properties of acid; choose the correct set of them.
Sour taste, corrosive change litmus from red to blue
Sour taste, slippery change litmus from blue to red
Sour taste, corrosive change litmus from blue to red
Sweet taste, slippery change litmus from blue to red