In this factorization, formula used: a2 – b2 = (a + b) (a – b) Explanation 49(3x + 2y – z)2 – 36(2x – 3y + 4z)2 {(7) (3x + 2y – z)}2 – {(6) (2x – ...
Science Sparkle Latest Questions
a) b) c) d) correct answer is: a) Explanation To find the required greatest length we need to HCF the given metres.Here, given metres are and The formula we use to get ...
a) 12 b) 16 c) 17 d) 18 correct answer is: d) 18 Explanation Let the fourth proportional be Then, the proportion is The cross-product rule is: – (Product of extremes = Product of means)So, ...
a) 6.67% b) 6.57% c) 6.47% d) 6.37% correct answer is: a) 6.67% ExplanationHere,P SI T yearsWe know, Rate Rate p.a.Ans: Rate p.a.
a) 1074 & 452 b) 1084 & 542 c) 1284 & 242 d) 1584 & 142 correct answer is: b) 1084 & 542 Explanation The sum of two numbers is .Let, one number is And another number is ...
Formula use: Formula use: Explanation Here, given expression is Now, we find the cubes with the help of formula [use formula]Ans:
a) kg b) kg c) kg d) kg correct answer is: c) kg Explanation To find the weight of maximum measure we need to find the HCF of the given quantities.Here, given quantities ...