What should come in place of the question mark '?' in the following number series?

17, 35, 106, ?, 2126

Directions : In an Institution there are 800 students. Students use different modes of transport for going to the institution and return. The given pie diagram represents the requisite data. Study the diagram carefully and answer the questions.

The number of students who go to institute on foot is 

Point P lies outside a circle with centre O. Tangents PA and PB are drawn to meet the circle at A and respectively. If ∠APB =80⁰, then ∠OAB is is equal to:

What is the L.C.M of 12, 36, 6 and 9?

X can complete a piece of work in thrice the time taken to complete Y and Z together. If X and Y together can complete the work in $${9{3\over 5}\ }$$days and Z alone complete in 16 days, then find the no of days taken to complete the work by X alone?

Direction: Read the following table carefully and answer the following questions:

Table shows the percentage of male and female employees in different education in a company and total number of males and females:

Find the average number of Undergraduate employees in a company.

P₁ alone can do $${2\over 3}$$  of the work in 8 days. P₂ alone can do $${7\over 12}$$  of the work in 14 days. P₃ alone can do $${8\over 15}$$   of the work in 16 days. In how many days can they complete the work, if all three work together?

Directions: The bar diagram given below shows the productions (in the unit of thousand pieces) of three types of biscuits by a company in the five consecutive years. Study the diagram and answer the following questions.

The ratio of production of glucose biscuits and total production of biscuits in that year was maximum in