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If a + (1/a) = 2, then find the value of (a5 + a3 + 6)/(7a – 5).
189500 – 22650 + 48× ? – 352×18 = 162674
If (54√2 x³ +24√3 y³)÷(√18 x + √12 y) = Ax² + By² + Cxy, then what is the value of A² - (B²...
In a college, the proportion of boys to girls is 7:9, and the proportion of graduate students to postgraduate students is 4:5. Determine the total numbe...
The certain sum amounts to Rs11313.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
A bag contains 6 red, 10 yellow, and 14 black balls. If 2 balls are picked at random without replacement, find the probability that the first ball is re...
Given that x = 80, y = -35 and z = -45, Determine the value of [(x³ + y³ + z³)/10³]
A boat covers 540 km upstream and downstream in 't' time. If the speed of the stream is 8 km/h and the speed of the boat is 10 km/h then find the value ...
If 3x + (1/3x) = 9 then find 27x³ + (1/27x³ ) = ?
In △ ABC, ∠ A = 90°. M is the midpoint of BC and D is a point on BC such that AD Ʇ BC. If AB = 7 cm and AC = 24 cm. then AD: AM is equal t...