RRB JE 26th June 2019 Shift-3

Instructions

For the following questions answer them individually

RRB JE 26th June 2019 Shift-3 - Question 81


Out of 40 students, 15 are boys. In a test, the mean marks of the class is 75 and the average marks of the girls is 72. What is the average marks of boys?

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RRB JE 26th June 2019 Shift-3 - Question 82


If $$\frac{(0.29 + 0.25 + 0.01)}{0.005} = a\%$$, then find the value of '$$a$$'.

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RRB JE 26th June 2019 Shift-3 - Question 83


B is to the south west of A, C is to the east of B and south east of A, and is also to the south of D which is in line with B and A. What is the direction of D with respect to A?

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RRB JE 26th June 2019 Shift-3 - Question 84


The chemical properties of the members of the homologous series are-

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RRB JE 26th June 2019 Shift-3 - Question 85


Scurvy is caused by deficiency of-

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RRB JE 26th June 2019 Shift-3 - Question 86


The elements in the compound potassium sulphate are-

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RRB JE 26th June 2019 Shift-3 - Question 87


If A and B are complementary angles, then find the value of $$\cos A \cos B - \sin A \sin B$$.

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RRB JE 26th June 2019 Shift-3 - Question 88


What is Compound Interest on Rs.32000 at 25% for 2 years?

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RRB JE 26th June 2019 Shift-3 - Question 89


Find the value of $$(100)^{\frac{1}{2}} \times (0.001)^{\frac{1}{3}} - (0.0016)^{\frac{1}{4}}$$

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RRB JE 26th June 2019 Shift-3 - Question 90


In a code, 'EDITION' is written as 'IDETNOI'. How will 'MEDICAL' be written in that code?

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