| 2024-06-28 | Let a1,a2,…a30 be an A.P., S=∑i=130ai and T=∑i=115a2i-1. If a5 =27 and S-2T=75, t.... |
| 2024-06-28 | Let a1,a2,a3,…. be an A.P. If a7=3, the product a1a4 is minimum and the sum of its first .... |
| 2024-06-28 | If sum of the first 21 terms of the series log912x+log912x+ log914x+…, where x>0 is 50.... |
| 2024-06-28 | The series of positive multiples of 3 is divided into sets :{3}, {6, 9,12}, {15,18, 21, 24, 27} .... |
| 2024-06-28 | Let AP(a;d) denote the set of all the terms of an infinite arithmetic progression with first ter.... |
| 2024-06-28 | The sum of all two digit positive numbers which when divided by 7 yield 2 or 5 as remainder is:.... |
| 2024-06-28 | Let a1,a2,a3,… be a sequence of positive integers in arithmetic progression with common d.... |
| 2024-06-28 | The coefficient of the quadratic equation ax2+(a+d)x+(a+2d)=0 are consecutive terms of a positiv.... |
| 2024-06-28 | If the 10th term of an A.P. is 120 and its 20th term is 110, then the sum of its fir.... |
| 2024-06-28 | If the roots of 10x3 – nx2 – 54x – 27 = 0 are in harmonic progressio.... |
| 2024-06-28 | The value of the ∑n=0∞2n+33n is equal to..... |
| 2024-06-28 | First term of an A.P. of non-constant terms is 3 and its second,tenth and thirty-fourth terms fo.... |
| 2024-06-28 | a, b, c, d are distinct positive numbers:.... |
| 2024-06-28 | a, b, c, d are distinct positive numbers:.... |
| 2024-06-28 | a, b, c, d are distinct positive numbers:.... |
| 2024-06-28 | Let A1, A2 ..., Am be the arithmetic means between&.... |
| 2024-06-28 | Let A1, A2 ..., Am be the arithmetic means between 2 and 1027 and G1 G2 .... |
| 2024-06-28 | Let x, y, z be positive reals. Which of the following implies x = y = z?I. x3+y3+z3=3xyzII. x3+y.... |
| 2024-06-28 | The value of ∑r=1n1a+rx+a+(r-1)x is.... |
| 2024-06-28 | Let A1, A2 ..., Am be the arithmetic means between&.... |
| 2024-06-28 | If x, y, and z are distinct prime numbers, then.... |
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