Question
If 3(p - q) = 27 and 3(p + q) =
243, then p is equal to:Solution
3p - q = 27 = 33    p - q = 3 ....(i) 3p + q = 243 = 35    p + q = 5 ....(ii) On solving (i) and (ii), we get p = 4.
More Surds and indices Questions
25% of 400 + 3 × 102 = ?2Â
34 × 5 × 2 ÷ 6 + 7 × 5 + 13 = (?)× 6 – 754
What will come in the place of question mark (?) in the given expression?
(28/14) of 56 + ? = 920 ÷ 5
(26)2 = {(20% of 40% of 18200) ÷ ?} × 1664 ÷ 128Â
1500 × 60% of 25% = ? 2Â
? = 0.05% of 12000 + 175% of 4800 – 133Â
√(24²+285-8²-172) = ?²
Simplify the following expression:
40500 ÷ 30 × 42 – 45% of 2400 =? + 42100
√1444 + √729 – √2116 = ?
