Question
Right triangle with sides 15 cm, 20 cm, 25 cm. Find
radius of incircle.Solution
ATQ, r = (a + b − c)/2 = (15 + 20 − 25)/2 = 5.
Direction: Which of the following will replace ‘?’ in the given question?
10, 12, ‘?’, 27, 36, 45, 54, 63, 72
Which of the following numbers will replace the question mark (?) in the given series?
69, 70, 74, 83, ?, 124
12, 23, 68, 271, 1354, ?
Given below are two number series I and II where each series has a wrong (odd one out) number. The number that will actually come in place of the wrong ...
2 5 16 65 326 ?
18 113 559 2247 6721 13451
...1, 1, 1.5, 3, 7.5 , ?
2, 12, 36, 80, ?, 252
140Â Â Â Â 300Â Â Â Â 380Â Â Â Â Â 420Â Â Â Â Â 440Â Â Â Â Â ?
...12Â Â Â Â Â Â Â Â Â Â 8Â Â Â Â Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â Â Â Â Â 12Â Â Â Â Â Â Â Â Â Â 4.5Â Â Â Â Â Â Â Â Â 15
18      �...
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