Home›UPSC Prelims›Paper 2: General Studies II (CSAT)›Civil Services Aptitude Test (CSAT)›Basic Numeracy & Data Interpretation›If $ means 'divided by'; @ means 'multiplied by'; # means 'minus',

If $ means 'divided by'; @ means 'multiplied by'; # means 'minus', then what is the value of 10#5@1$5?

20193Mprelimsupscyear-2019p2quantitative-aptitudequantitative-abilitylinear-equation
A.0
B.1
C.2
D.9Correct
Explanation & Solution

The correct answer is (D) 9.

Explanation:

Following BODMAS rule and replacing symbols: 10#5@1$5 = 10-5×1÷5 = 10-5×0.2 = 10-1 = 9

हिंदी में प्रश्न एवं आदर्श उत्तर

यदि $ का अर्थ है 'विभाजित'; @ का अर्थ है 'गुणित'; # का अर्थ है 'घटाया गया'; तो 10#5@1$5 का मान क्या है?

A.0
B.1
C.2
D.9सही

सही उत्तर (D) 9 है।

व्याख्या:

Following BODMAS rule and replacing symbols: 10#5@1$5 = 10-5×1÷5 = 10-5×0.2 = 10-1 = 9

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