If 13 + 23 + … + 93 = 2025, then find the approximate value of (0.11)3 + (0.22)3 + … + (0.99)3.

Analyze the number series given below and find the missing number: 256, 364, 472, ?, 688

Select the number-letter cluster that can replace the question mark (?) in the given series: 95MJ, 76KF, 57IB, 38GX, ?

Select the number-letter cluster that can replace the question mark (?) in the given series: 95MJ, 76KF, 57IB, 38GX, ?