यदि 2^x = 32 और 3^y = 81 हो, तो x + y का मान क्या होगा?

गणित प्रश्नोत्तरी हिंदी (9_10) _ cluster

Quiz
•
Mathematics
•
10th Grade
•
Hard
Amit Poonia
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
7
8
9
10
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
यदि (x + 3)(x - 2) = 0, तो x का मान क्या होगा?
2, -3
-2, 3
3, 2
-3, -2
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
यदि (3^x)² = 81, तो x का मान क्या होगा?
2
3
4
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
यदि एक बैग में 6 लाल, 4 नीले और 5 हरे गेंद हैं, तो एक यादृच्छिक रूप से निकाली गई गेंद के लाल या हरे होने की प्रायिकता क्या होगी?
6/15
9/15
10/15
11/15
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
यदि x - 1/x = 4, तो x² + 1/x² का मान क्या होगा?
14
15
16
18
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
यदि sin A = 3/5, तो cos A का मान क्या होगा?
4/5
3/4
1/2
5/3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
यदि एक गोले की त्रिज्या 7 सेमी है, तो उसका पृष्ठीय क्षेत्रफल क्या होगा? (π = 22/7)
636
616
686
606
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