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There are 20 girls and 30 boys in a class, and their respective average marks are found to be 55 and 58. The average marks of the entire class are

Consider an industry with the following features:

What would be the total factory overhead rate?

Acid rain is due to

DNA fingerprinting is a technique used for the detection of

There are four identically sized and shaped balls in a box, with only its top open. Each ball is of a different colour, these being: Green, Red, White and Blue, only one ball of each colour. Without looking into the box, one ball is randomly picked out and its colour is noted; then it is returned to the box. What are the chances that, in two successive draws, one may get the white ball and the red ball - in whichever order?

Consider the following programmes: 1. Credit Linked Capital Subsidy Scheme 2. Micro Finance Programme 3. National Manufacturing Competitiveness Programme 4. Cluster Development Programme. What is common in the above programmes?

SPAM in a system (e-mail) is

A cylindrical closed tank contains 36π cubic metres of water, and is filled to half of its capacity. When the cylindrical tank is placed upright on its circular base on level ground, the height of the water in the tank is 4 metres. But when this tank is placed on its side on level ground, what will be the height of the surface of the water above the ground?

Data regarding inventory of a particular item of usage in the production activities of an organization are: the quantity in stock is 1500 units and the value of this stock is ₹1,27,500. (This works out to an average unit cost of ₹85.) During the ensuing year X, an additional 300 units are purchased at a unit cost of ₹95. Consumption in production processes during the year X has been 600 units. Working by the First-In-First-Out basis, the value of the residual inventory of the item at the end of the year X will be

Consider the following statements about All India Radio: 1. It is governed by the Prasar Bharati Board. 2. It was so named in 1936. 3. It does not provide DTH services. 4. FM Rainbow and FM Gold are its subsidiary channels. Which of the above statements are correct?

The famous 'Giri' approach in Industrial Relations in India espouses the cause of

In a race, the first four winners are to be awarded points. Each winner's points must be 5 more than that of the next position winner. Total sum of the points to be awarded is 50. What will be the points for the third position winner?

Which of the following trends in FDI inflows are correct?

In raising an object to a given height by means of an inclined plane, as compared with raising the object vertically, there is a reduction in

The mean and standard deviation of a set of 16 non-zero positive numbers in an observation are 26 and 3.5 respectively. The mean and standard deviation of another set of 24 non-zero positive numbers are 29 and 3, respectively.

The mean and standard deviation of their combined set of observations will respectively be

A sinusoidal transverse wave is travelling on a string. Any point on the string moves in

The devices that work with computer systems as soon as they are connected are described as

Which one of the following software applications would be the most appropriate for performing numerical and statistical calculations?

Consider the following statements on Global Positioning System (GPS): 1. GPS allows accurate time-stamping on ATM transactions. 2. GPS relies on a set of satellites for transferring signals worldwide. Which of the above statements is/are correct?

Consider the following statements: Cellular technology evolves in stages called Generation (G), where 1. A Generation represents the number of subscribers; higher Generation has more subscribers. 2. 2G technology has two standards CDMA and GSM. 3. 2G technology has CDMA standard and 3G has GSM standard. Which of the above statements is/are correct?