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1
JEE Main 2022 (Online) 25th June Morning Shift
Numerical
+4
-1
Out of Syllabus
Change Language

The greatest integer less than or equal to the sum of first 100 terms of the sequence $${1 \over 3},{5 \over 9},{{19} \over {27}},{{65} \over {81}},$$ ...... is equal to ___________.

Your input ____
2
JEE Main 2021 (Online) 31st August Evening Shift
Numerical
+4
-1
Change Language
The number of 4-digit numbers which are neither multiple of 7 nor multiple of 3 is ____________.
Your input ____
3
JEE Main 2021 (Online) 31st August Evening Shift
Numerical
+4
-1
Out of Syllabus
Change Language
If $$S = {7 \over 5} + {9 \over {{5^2}}} + {{13} \over {{5^3}}} + {{19} \over {{5^4}}} + ....$$, then 160 S is equal to ________.
Your input ____
4
JEE Main 2021 (Online) 26th August Evening Shift
Numerical
+4
-1
Change Language
The sum of all 3-digit numbers less than or equal to 500, that are formed without using the digit "1" and they all are multiple of 11, is _____________.
Your input ____
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