1
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Consider the real valued function h : {0, 1, 2, ...... 100} $$\to$$ R such that h(0) = 5, h(100) = 20 and satisfying h(p) = $${1 \over 2}$$ {h(p + 1) + h(p $$-$$ 1)} for every p = 1, 2 ..... 99. Then the value of h(1) is
A
5.15
B
5.5
C
6
D
6.15
2
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The digit in the unit's place of the number 1! + 2! + 3! + .... + 99! is
A
3
B
0
C
1
D
7
3
WB JEE 2021
MCQ (Single Correct Answer)
+2
-0.5
Change Language
Three unequal positive numbers a, b, c are such that a, b, c are in G.P. while $$\log \left( {{{5c} \over {2a}}} \right),\log \left( {{{7b} \over {5c}}} \right),\log \left( {{{2a} \over {7b}}} \right)$$ are in A.P. Then a, b, c are the lengths of the sides of
A
an isosceles triangle
B
an equilateral triangle
C
a scalene triangle
D
a right-angled triangle
4
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
Change Language
If a and b are arbitrary positive real numbers, then the least possible value of $${{6a} \over {5b}} + {{10b} \over {3a}}$$ is
A
4
B
$${6 \over 5}$$
C
$${10 \over 3}$$
D
$${68 \over 15}$$
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