I. 3p² + 13p + 14 = 0

II. 8q² + 26q + 21 = 0

I. 3p² + 13p + 14 = 0 3p² + 7p + 6p + 14 = 0 ⟹ p (3p + 7) + 2 (3p + 7) = 0 ⟹ (3p + 7) (p + 2)= 0 ⟹ p = -7/3, -2 II. 8q² + 26q + 21 = 0 ⟹8q² + 14q + 12q + 21 =0 ⟹2q(4q + 7) + 3(4q + 7)= 0 ⟹ (4q + 7) (2q + 3)= 0 ⟹ q = -7/4, - 3/2 ∴p < q.

Which two signs should be interchanged to make the following equation correct?

38 ÷ 26 – 2 + 5 × 4 = 45

Select the different combination of mathematical signs that can sequentially replace the # sign and balance the given equation.

63 # 9 # 52 # 10 # 4 = 19

Select the correct sequence of mathematical signs to replace the ‘@’ signs so as to balance the given equation.

264 @ 44 @ 17 @ 6 @ 32 = 76

If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”

Which two signs should be interchanged in the following equation to make it correct:

490 ÷ 70 + 5 × 28 – 15 = 48

Which two signs should be interchanged to make the following equation correct?

42 – 32 ÷ 2 + 8 × 6 = 10

Which among the given operators should replace the “%” (in the same order) in the given expression below:

7 % 12 % 7 % 38 % 47 % 8

If '$ means +', '# means –, '@ means ×' and '* means ÷', then what is the value of '16 $ 4 @ 5 # 72 * 8' ?

A toy is sold for Rs. 800 at 60% profit when profit is calculated on selling price. Find the profit% on cost price?

Select the correct combination of mathematical signs that can sequentially replace '*' sign and balance the equation given below.

More Quadratic equation Questions

×

×