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86) The mode and the mean of a grouped data are 27.5 and 28.5 respectively. Find the median, correct to two places of decimal, using empirical relation.

A) 9.83
B) 19.83
C) 28.17
D) 27.17

87) The Malpighian tubules are characteristic of:

A) Echinodermata
B) Arthropoda
C) Annelida
D) Chordata

88) The Fundamental Duties of citizens were added to the Constitution of India by the:

A) 51st Amendment Act
B) 23rd Amendment Act
C) 42nd Amendment Act
D) 1st Amendment Act

89) The Himalayan mountain range is a kind of __________

A) block mountains
B) volcanic mountains
C) relict mountains
D) fold mountains

90) Kavita has deposited ₹4000 with the bank for two years at 6.25% simple interest per annum. What will be the total amount that Kavita will receive at the end of the two-year term?

A) ₹4475
B) ₹4625
C) ₹4400
D) ₹4500