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O The value OF +3+5+7+ -- --- On-1) IS, I+3+5+7+----- ) is, O (2n-1) x (an-1) O O n ☺ n(n+i), which numbes is divisible by both g and I1, O 10089 100 89 (1) 100.98 (W 10087, The, Remaindes when 7$x73 x78X 76 is divided 6y, 34 is, O 18 0 12 1 2 M 15, Find The Sum OF, 6 + 8 + 10+12+ 14 + --, O 400 () 424 ) 1600 (y 414, How mony numbes between 400 and 700 03e, divisible, 68 5, 6 and 7, O 2 0 5 O 10 W 20, HOW, Many numbes between go0 ond 9000 axe divisíble, O 90 0 92 (1D 91 V 93, The divisos, is 24 times The quotient and 9 times The, Remaindes IF The quotient is 18 . Then The cividend, is, O 1830 O 7630 7840 O 7450, (9 if @ numbes is divid ed 6y 8 99, The Remaindes, is 6३ 16 T5e, Same, number is divided 6 99,, The Remuindes wiLL be, O 10 O 9 m 4 ☺ 5, if x + ax? - ax -6 is, exactly divisiole 6y x9-1, Them The, values OF, 6 are, (D a = -1, 6= 2 0=1 6= -2 D 9=1 and 6= 2 Q=3,6-2, a, and