allery30% ବୃଦ୍ଧି ହେଲେ ଏକ ସଂଖ୍ୟା 195 ହୋଇଯାଏ | ମୂଳ ସଂଖ୍ୟା ହେଉଛି:
A150
B140
C130
D160
Answer & Solution
Correct answer: A. 150
1 |
ମୂଳ x ହେଉ |
ତା’ପରେ x + 30% x = 195 |
2 |
1.30 * x = 195 |
3 |
x = 195 / 1.30 = 150 |
4 |
ତେଣୁ ମୂଳ ସଂଖ୍ୟା ହେଉଛି 150 |
_ ଉତ୍ସ: SSC CGL ପରିମାଣିକ ଦକ୍ଷତା (ଶତକଡା), R.S |
ଅଗ୍ରୱାଲ୍ ଶ style ଳୀ ଏବଂ ମାନକ ଅଭ୍ୟାସ_
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