Question
81 72 136 111 ?
278 What will come at the place of questions mark (?) in the below given series:Solution
81 - 32 = 72 72 + 43 = 136 136 - 52 = 111 111 + 63 = 327 327 - 72 = 278
Consider two concentric circles having radii 17 cm and 15 cm. What is the length (in cm) of the chord, of the bigger circle, which is a tangent to the s...
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