21: The average height of 2 students in a class is 115 cm. Ten more students with an average height of 130 cm join them. Therefore, the average height of the group of students now becomes:
(a) 110 cm
(b) 120 cm
(c) 130 cm
(d) 140 cm
22: As per Indian Protocol, who among the following ranks highest in the order of precedence?
(a) Deputy Prime Minister
(b) Former President
(c) Governor of a State within his state
(d) Speaker of Lok Sabha
23: Consider the following statements :
1. Maize can be used for the production of starch.
2. Oil extracted from maize can be a feedstock for biodiesel.
3. Alcoholic beverages can be produced by using maize.
Which of the statements given above is / are correct ?
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
24: Which of the following is wrongly matched?
(a) Abul Fazal : Babumama
(b) Kalhana : Rajtarangini
(c) Mohd. Jayasi : Padmavat
(d) Abdul Hamid Badshahnama
25: Which one of the following pairs is not correctly matched ?
(a) Govind Sagar Dam : Satluj River
(b) Ukai Reservoir Dam : Tapi River
(c) Kolleru Lake : Krishna River
(d) Wular Lake : Jhelum River