Quantitative aptitude

1256, 1247, 1231, 1206, 1170, ?

March 5, 2024

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1256, 1247, 1231, 1206, 1170, ?

1256, 1247, 1231, 1206, 1170, ?

A. 1128

B. 1108

C. 1104

D. 1121

Sol:

1256 – 3² = 1247

1247 – 4² = 1231

1231 – 5² = 1206

1206 – 6² = 1170

1170 – 7² = 1121

1256, 1247, 1231, 1206, 1170, ?

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The average age of A, B, C and D is 40 years. The present age of B is 90% of the present age of A and the present age of D is 40%

1256, 1247, 1231, 1206, 1170, ?

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Tags: quantitative aptitude

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