1.
These questions are based on the given 3-digit numbers.
732 517 293 315 638In how many of the given numbers, the product of the first and the second digits, is a multiple of the third digit ?
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By: anil on 05 May 2019 01.21 am
Numbers : 732 517 293 315 638 Product of the first and the second digits : 732 = $$7 imes3=21 eq2k$$ 517 = $$5 imes1=5 eq7k$$ 293 = $$2 imes9=18=3 imes6$$ 315 = $$3 imes1 eq5k$$ 638 = $$6 imes3=18 eq8k$$ Thus, only in 293, the product of the first and the second digits, is a multiple of the third digit. => Ans - (B)
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eq2k$$ 517 = $$5 imes1=5
eq7k$$ 293 = $$2 imes9=18=3 imes6$$ 315 = $$3 imes1
eq5k$$ 638 = $$6 imes3=18
eq8k$$ Thus, only in 293, the product of the first and the second digits, is a multiple of the third digit. => Ans - (B)