allery5, 10, 15, 20 ର ବ୍ୟବଧାନ 6, 11, 21, 36, 56 ଗଠନ କରେ। ପରବର୍ତ୍ତୀ ସଂଖ୍ୟା କେଉଁଟି?
A76
B86
C81
D80
Answer & Solution
Correct answer: C. 81
ବ୍ୟବଧାନଗୁଡ଼ିକ ହେଉଛି 5, 10, 15, 20, ତେଣୁ ପରବର୍ତ୍ତୀ ବ୍ୟବଧାନ ହେଉଛି 25 ଏବଂ 56 + 25 = 81।
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