The birth rate is estimated in terms of
(i) Number of births per one hundred population in a given year
(ii) Number of births per one lakh population in a given year
(iii) Number of births per one thousand population in ten years
(iv) Number of births per one thousand population in a given year
If the difference between C.I. and S.I. on some principal at 15% p.a. for 3 years is = 1,134. Then the principal is |
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If H.C.F. of p and q is x and q = xy, find the L.C.M of p and q from the following |
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The length of a rectangle is (3x + 2) units and its breadth is (3x-2) units. Find its area. (x = 20 units) |
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Two dice are rolled together find the probability of getting a doublet or sum of faces as 4 |
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Kala and Vani are friends. Kala says, |
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The greatest 5 digits number, which, when divided by 3, 5, 8 and 12 have 2 as a remainder is |
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The ratio of 43.5 : 25 is same as |
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4 P+Sr9 B#A3? 7 c>Z% 6 d* Q@ 1 |
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10 farmers will plough the land in 21 days. In how many days 14 farmers will plough the same land? |
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If 18, a, b, -3 are in Arithmetic progress, then what is the value of (a + b)? |
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