In a garden, there are 12 rows and 14 columns of mango trees. The distance between two trees is 2 metres and a distance of one metre is left from all sides of the boundary of the garden. The length of the garden is
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In a group of donkeys and pigs, the numbers of legs are 16 more than twice the number of heads. The number of donkeys is |
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The value of 40 coins of 10 p and 20 p is Rs. 5.50. The number of 20 p coins is |
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An enterprising businessman earns an income of Re 1 on the first day of his business. On every subsequent day, he earns an income which is just double of that made on the previous day. On the 20th day of business, he earns an income of: |
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In an examination, a student scores 4 marks for every correct answer and loses 1mark for every wrong answer. If he attempts all 90 questions and secures 140 marks, the number of questions he attempts correctly, is: |
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Anitha had 80 currency notes in all, some of which are of Rs 95 denomination and the remaining of Rs 45 denomination. The total amount of all these currency notes was Rs. 4000. How much amount (in Rs) did she have in the denomination of Rs 45? |
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How many pieces of 0.85 metres can be cut from a rod 42.5 metres long? |
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The ratio between two numbers is 4:5 and their sum is 540. The greater of the two numbers is? |
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How many times do the hands of a clock coincide in a day? |
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A watch which gains uniformly is 2 minutes low at noon on Monday and is 4 min.48 sec fast at 2 p.m. on the following Monday. When was it correct? |
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The ratio between the speeds of the A& B is 2:3 an therefore A takes 10 min more |
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