a) Class seven b) Class six c) Both class correct answer is: a) Class seven Explanation In class seven,In class six,Now, we get two fractions which are and We should find the LCM of the denominator.So, ...
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Formula use: Explanation Here, given expression is According to the question Ans:
In this factorization, formula used: explanation Ans:
a) kg b) kg c) kg d) kg correct answer is: b) kg Explanation Here,Two quantities is And, antecedent is kg.Let, consequent be kg.According to the question, Consequent is kg.Ans: ...
a) 65 meters, 11 m/s. b) 45 meters, 19 m/s. c) 50 meters, 20 m/s. d) 55 meters, 11 m/s. correct answer is : a) 65 meters, 11 m/s. Explanation Lets the length of the train is ...
a) 8% b) 10% c) 12% d) 12 ½% correct answer is: b) 10% Explanation Here ‘a sum’ means ‘principal’.Let,Principal Rate %Time years.So, according the question,Simple Interest [put the value] [cross multiply] Rate percent per annum ...