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SSC Math set 3 of 15 minutes

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Sample Questions from SSC Math set 3 of 15 minutes

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Q1. If x + 1/x = 3, find x⁴ + 1/x⁴.

यदि x + 1/x = 3 है, तो x⁴ + 1/x⁴ ज्ञात कीजिए।

A. 47
47
B. 49
49
C. 55
55
D. 65
65

Q2. If log₂(x) + log₂(x-2) = 3, find x.

यदि log₂(x) + log₂(x-2) = 3 है, तो x ज्ञात कीजिए।

A. 4
4
B. 1 + √17
1 + √17
C. 2 + √12
2 + √12
D. 6
6

Q3. Find the least number which when divided by 5, 6, 7 leaves remainder 3 but divisible by 8.

वह सबसे छोटी संख्या ज्ञात कीजिए जो 5, 6, 7 से भाग देने पर 3 शेष छोड़े लेकिन 8 से पूर्णतः विभाजित हो।

A. 168
168
B. 248
248
C. 343
343
D. 423
423

Q4. Equation of line perpendicular to 2x + 3y = 5 and passing through (1,2).

2x + 3y = 5 पर लंबवत तथा (1,2) से गुजरने वाली रेखा का समीकरण ज्ञात कीजिए।

A. 3x - 2y + 1 = 0
3x - 2y + 1 = 0
B. 2x - 3y + 4 = 0
2x - 3y + 4 = 0
C. 3x + 2y - 7 = 0
3x + 2y - 7 = 0
D. 2x + 3y - 8 = 0
2x + 3y - 8 = 0

Q5. A bag contains 5 red, 4 blue and 3 green balls. Two balls are drawn. Probability both are blue.

एक थैले में 5 लाल, 4 नीली और 3 हरी गेंदें हैं। दो गेंदें निकाली जाती हैं। दोनों के नीली होने की प्रायिकता ज्ञात कीजिए।

A. 1/11
1/11
B. 2/11
2/11
C. 1/6
1/6
D. 3/22
3/22

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