In the figure, XYZ is a secant. and ZT is a tangent to the circle at T. If TZ = 12 cm and YZ = 8 cm, then find the length of XY.

Aarif, Arun and Abraham can do a work in 12, 20 and 24 days, respectively. They all begin together. Aarif leaves the work 1 day, Arun 3 days and Abraham 4 days before its completion. In how many days is the work finished?

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

 The rise in the Irrawaddy dolphin (1) ______ in Chilika can be attributed to the eviction of (2) ______ fish enclosures. After thousands of hectares of Chilika lake were made (3) ______ free, Irrawaddy dolphins found unobstructed area for movement. (4) ______, due to the COVID-19 lockdown last year, there were comparatively fewer tourist boats on Chilika lake, which made it (5) ______ for dolphins to move from one part of the lake to another.

Select the most appropriate option to fill in blank number 5.

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

 The rise in the Irrawaddy dolphin (1) ______ in Chilika can be attributed to the eviction of (2) ______ fish enclosures. After thousands of hectares of Chilika lake were made (3) ______ free, Irrawaddy dolphins found unobstructed area for movement. (4) ______, due to the COVID-19 lockdown last year, there were comparatively fewer tourist boats on Chilika lake, which made it (5) ______ for dolphins to move from one part of the lake to another.

Select the most appropriate option to fill in blank number 4. 

In the following passage some words have been deleted. Fill in the blanks with the help of alternatives given. Select the most appropriate option for each blank.

The importance of physical exercise in (1) ______ the incidence of heart attacks cannot be under estimated. The rise of heart attacks has been attaining (2) ______ proportion in recent times causing grave concern specially to the medical (3) ______. Walking is the best mode of physical exercise which (4) ______ no equipment, money, material or (5) ______ of a club.

Select the most appropriate option to fill in blank number 4.

In the following passage some words have been deleted. Fill in the blanks with the help of alternatives given. Select the most appropriate option for each blank.

The importance of physical exercise in (1) ______ the incidence of heart attacks cannot be under estimated. The rise of heart attacks has been attaining (2) ______ proportion in recent times causing grave concern specially to the medical (3) ______. Walking is the best mode of physical exercise which (4) ______ no equipment, money, material or (5) ______ of a club.

Select the most appropriate option to fill in blank number 3.

In the following passage some words have been deleted. Fill in the blanks with the help of alternatives given. Select the most appropriate option for each blank.

The importance of physical exercise in (1) ______ the incidence of heart attacks cannot be under estimated. The rise of heart attacks has been attaining (2) ______ proportion in recent times causing grave concern specially to the medical (3) ______. Walking is the best mode of physical exercise which (4) ______ no equipment, money, material or (5) ______ of a club.

Select the most appropriate option to fill in blank number 2.

In the following passage some words have been deleted. Fill in the blanks with the help of alternatives given. Select the most appropriate option for each blank.

The importance of physical exercise in (1) ______ the incidence of heart attacks cannot be under estimated. The rise of heart attacks has been attaining (2) ______ proportion in recent times causing grave concern specially to the medical (3) ______. Walking is the best mode of physical exercise which (4) ______ no equipment, money, material or (5) ______ of a club.

Select the most appropriate option to fill in blank number 5.