Question
Keki Mistry was appointed as interim Part-time Chairman
of HDFC Bank for what duration?Solution
The RBI approved Keki Mistry’s appointment as interim Part-time Chairman for a period of 3 months. Duration-based appointments are commonly asked.
- Suppose [a + (1/16a)] = 3, then the value of [16a³ + (1/256a³)] is:

If (a + b) = 9 and (a2 + b2) = 53, then find the value of (a × b).
If (10 a³ + 4b³): (11a³ — 15b³) = 7:5, then (3a + 5b): (9a - 2b) = ?
- If p = 25 - q - r and pq + r(p + q) = 256, then find the value of (p² + q² + r²).
- If x + 4y = 26 and 4x + y = 41, then find the value of (x - y).
If (a + b) = 7 and ab = 10, then find the value of (a 2 Â + b 2 ).
If 8x3Â - 125y3Â = (2x - Ay) X (Bx2Â + 25y2Â + Cxy), then find the value of 3 X (2A + 6B) - 2C.