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Recent activity by Anil Khatri

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progression
If the ratio of the sums of first p terms and q terms of an AP is p^2 : q^2 , then the ratio of its pth and qth terms is :a. (2p-1) : (2q-1)b. (2p+1) : (2q+1)c. p : qd. (...
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Time Distance Speed
A train takes 4/3 hours less for a journey of 528km . If its speed is increased by 11/2 km/hour from its usual speed . The usual speed of the train is ( in km/hour )a. 44...
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progression
The first seven terms of an AP are 7x+4,9y,7z-6,4x+10,3k,3x+6and k+12. The second , fifth and seventh terms of this progression form an infinite GP . The sum of the terms...
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Example of a binary number
Which of the following is an example of a binary number 6AH1100101005ABCD23456