The average height of 12 students in a class was calculated as 152 cm. On verification it was found that one reading was wrongly recorded as 148 cm instead of 172 cm. Find the correct mean height
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The difference of the squares of two positive numbers is 45. The square of the smaller number is four times the larger number. Find the numbers |
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The radius of a cart wheel is 35 cm. How many revolution does it make in travelling a distance of 154 m |
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Saran is 6 times as old as his son Sankar. After 4 years, he will be 4 times as old as |
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Express 0.35(bar) into fraction |
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How many numbers are there between 200 and 300 which are exactly divisible by 6,8 and 9? |
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A can do a piece of work in 20 days and B can do it in 30 days. How long will they take to do the work together? |
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If 14 compositors can compose 70 pages of a book in 5 hours, how many compositors will compose 100 pages of this book in 10 hours? |
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Find the simple interest on Rs.7,500 at 8% per annum per 1 year 6 months. |
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Cricket player Dhonis average in first 30 matches was 72 runs. After 31st match, his average raised as 73 runs. How many runs did he make in 31st match? |
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Arrange in ascending order 3/4,1/2,5/8 |
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