Question
How many pairs of letters are there in the word
āCALCULATORā which have as many letters between them in the word as in the alphabetical series?Solution
Forward ā AC, LO Backward ā RT
Average marks scored by Vineet in five subjects are 60. The average marks scored by him (excluding his highest and lowest marks) are 50 and lowest marks...
Ā + (a+2 )² + (b-5)² + (c+3)² = 0
Find the value of √ (a + b + c) ?
...- If [x + (1/x)] = 7, find the value of [xā“ + (1/xā“)].
- If (x + y + z) = 10 and (x 2 Ā + y 2 Ā + z 2 ) = 52, then find {z(x + y) + xy}.
If ( p = 40 - q - r ) and ( pq + r(q + p) = 720 ), then find the value of ( p2 + q2 + r2).
If P3 + 3P2 + 3P = 7, then the value of P2+ 2P is –
...
If (a + b + c) = 18 and (ab + bc + ca) = 100, then find the value of (a² + b² + c²).
If (x24Ā +Ā 1)/x12Ā = 7, then the value of (x72Ā +Ā 1)/x36Ā isĀ