Question
∆PQR is an isosceles right angled triangle with ∠Q
= 90°. On the sides PR and PQ, two equilateral triangles PRS and PQT have been constructed. The ratio of area of ∆ PQT and ∆PRS isSolution
Let PQ = PR = 1 PR = √(12+1²) = √2 (using Pythagoras) (Area of (∆PQT))/(Area of (∆PRS)) = (√3/4 (1)²)/(√3/4 (√2)²) = 1/2 = 1 : 2
What will come in the place of question mark (?) in the given expression?
(√? - 17) X 40 + 145 = 1000 - 15
- Evaluate: 195 ÷ 13 × 8 + 220 – 30% of 500
What will come in the place of question mark (?) in the given expression?
23 X 35 - ? = (132 + 16) X 3 + 25
- Simplify the following expression:

(7 ÷ 0.125) x (10 ÷ 10/3 ) = ?
Simplify the following expressions and choose the correct option.
512 ÷ 2⁴ + 3³ × (5² − 4²) = ?
{5% of (20 × 25) + 6% of (30 ×35)} ÷ 11 = ?
30 of 20 - 40 + 182 - 23 × ? = 83
What will come in the place of question mark (?) in the given expression?
(6/...
7, 8, 12, 21, 37, ?