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Simone Biles was named Time Magzine’s 2021 Athlete of the Year. The world’s most decorated gymnast was hailed for putting her mental health first when she withdrew from four event finals at the Tokyo Olympics.
If 4x² + y² = 25 and x y = 6, then find the value of 2x + y?
In △ ABC, AB = AC. A circle drawn through B touches AC at D and intersect AB at P. If D is the midpoint of AC and AP = 2.5 cm, then AB is equal to:
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 x 8 + x -8 = 194, then find the value of (2x 2 – 4) 2 – 1.
Simplify the following expression: (8x - 6y - 5z) 2
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...
A dishonest dealer claims to sell goods at cost price but uses a false weight of 900g instead of 1kg. What is his profit percentage?
If 8x3 - 125y3 = (2x - Ay) X (Bx2 + 25y2 + Cxy), then find the value of 3 X (2A + 6B) - 2C.