Find the sum of 40 positive integer divisible by 7
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1
Answer:
n=40
AP=7,14,21,…
a=7
d=7
S40=40/2[2(7)+39(7)]
S40=20×287
S40=5740
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0
Answer:
Question 2) An old lady made a gift of her property to her daughter with a direction to pay a certain sum of money to the maternal uncle by way of annuity. On the same day, the daughter executed a writing in favour of the brother agreeing to pay annuity. The daughter did not, however, pay the annuity and the uncle sued to recover it. Decide, whether the conetntion of the uncle is valid or not?
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